CN203554495U - Network-type RF wireless intelligent gas meter management gateway - Google Patents
Network-type RF wireless intelligent gas meter management gateway Download PDFInfo
- Publication number
- CN203554495U CN203554495U CN201320668744.1U CN201320668744U CN203554495U CN 203554495 U CN203554495 U CN 203554495U CN 201320668744 U CN201320668744 U CN 201320668744U CN 203554495 U CN203554495 U CN 203554495U
- Authority
- CN
- China
- Prior art keywords
- chip
- inductance
- capacitor
- network
- wifi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a network-type RF wireless intelligent gas meter management gateway, which mainly comprises an embedded network chip, a WIFI module and an RF module. The WIFI module comprises a WIFI receiving and sending chip and a WIFI receiving and sending antenna, the WIFI receiving and sending antenna is connected onto the WIFI receiving and sending chip, and the WIFI receiving and sending chip is connected with the embedded network chip; the RF module comprises a microcontroller, an RF chip, a TX low-pass matching circuit, an RX high-pass matching circuit, an RF sending antenna and an RF receiving antenna; the RF sending antenna is connected onto the TX low-pass matching circuit, the RF receiving antenna is connected onto the RX high-pass matching circuit, the input end of the TX low-pass matching circuit and the output end of the RX high-pass matching circuit are connected with the RF chip, and the RF chip is connected with the embedded network chip via the microcontroller. According to the network-type RF wireless intelligent gas meter management gateway, remote management and control on the wireless intelligent gas meter can be realized via internet.
Description
Technical field
The utility model relates to networking telemanagement and the control field of intelligent gas meter, is specifically related to a kind of network-type RF wireless intelligent gas meter management gateway.
Background technology
Along with large-scale promotion and the application of city gas pipeline, end product--the application scale of intelligent gas meter is also increasing in tolerance metering, and particularly the appearance of IC-card intelligent gas meter has solved the problem of difficult charge.But city size forward range and short transverse development, it is more and more higher that the floor building at present a lot of cities is all built, and combustion gas operator has now faced a problem, is exactly how the tolerance of pipeline to be dispatched and to be managed.IC-card intelligent gas meter can only know that user supplemented tolerance with money, and whether use unknown, therefore by this free frequency range of RF (ISM) transformation intelligent gas meter, just becomes the first-selection of current wireless gas meter application.Wireless intelligent gas meter can be realized not the house lead in work of checking meter by hand-held meter reader or wireless relay device.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of network-type RF wireless intelligent gas meter management gateway, and it can realize by the Internet telemanagement and the control of wireless intelligent gas meter.
For addressing the above problem, the utility model is achieved through the following technical solutions:
A kind of network-type RF wireless intelligent gas meter management gateway, is mainly comprised of built-in network chip, WIFI module and RF module; Wherein
WIFI module comprises WIFI transceiving chip and WIFI dual-mode antenna; WIFI dual-mode antenna is connected on WIFI transceiving chip, and WIFI transceiving chip is connected with built-in network chip;
RF module comprises microcontroller, RF chip, TX low-pass matching circuit, RX high pass match circuit, RF transmitting antenna and RF reception antenna; RF transmitting antenna is connected on TX low-pass matching circuit, RF reception antenna is connected on RX high pass match circuit, the output of the input of TX low-pass matching circuit and RX high pass match circuit is connected with RF chip, and RF chip connects built-in network chip through microcontroller.
In such scheme, described TX low-pass matching circuit mainly consists of 6 electric capacity and 4 inductance; Wherein one end of capacitor C 1 connects positive source, and the other end connects power cathode; One end of inductance L 1 connects positive source, and the other end is divided into 2 tunnels, and Ji Yi road is connected with the TX end of RF chip, and another road is connected RF transmitting antenna through capacitor C 3, inductance L 2, inductance L 3 successively after inductance L 4; One end of capacitor C 2 is connected between inductance L 2 and inductance L 3, and the other end connects power cathode; One end of capacitor C 4 and C5 is connected between inductance L 3 and inductance L 4, and the other end connects power cathode; One end of capacitor C 6 is connected between inductance L 4 and RF transmitting antenna, and the other end connects power cathode.
In such scheme, described RX high pass match circuit mainly consists of 5 electric capacity and 2 inductance; Inductance L 5, inductance L 6 and capacitor C 11 form series connection successively, and one end of inductance L 5 is connected with the RXn end of RF chip, and one end of capacitor C 11 connects RF reception antenna; The connected end of inductance L 5 and capacitor C 8 is connected with the RXp of RF chip end; One end of capacitor C 8 is connected on the RXn end of RF chip, and the other end connects power cathode; One end of capacitor C 9 and capacitor C 10 is connected between inductance L 5 and inductance L 6, and the other end connects power cathode; One end of capacitor C 7 is connected between inductance L 5 and capacitor C 11, and the other end connects power cathode.
In such scheme, described RF module adopts the mode layout of dual-in-line.
In such scheme, described built-in network chip is AX22001 network chip.
In such scheme, described WIFI transceiving chip is AL2230S2.4GHz chip.
Compared with prior art, the utlity model has following features:
1, by the fusion of WIFI network and RF management, by the Internet, realize telemanagement and the control of wireless intelligent gas meter;
2, adopted built-in network chip and WIFI module to realize transmission and the control of WIFI signal, line design is simple;
3, adopt the information exchange between the serial port function realization of built-in network chip and control and WIFI and the RF of RF wireless remote transmission module, greatly simplified the circuit design of gateway, reduced cost, improved reliability.
Accompanying drawing explanation
Fig. 1 is a kind of network-type RF wireless intelligent gas meter management gateway schematic diagram.
Fig. 2 is the schematic diagram of RF module.
Fig. 3 is the schematic diagram of TX low-pass matching circuit.
Fig. 4 is the schematic diagram of RX high pass match circuit.
Embodiment
A kind of network-type RF wireless intelligent gas meter management gateway, as shown in Figure 1, it is mainly comprised of built-in network chip, WIFI module and RF module.WIFI module comprises WIFI transceiving chip and WIFI dual-mode antenna.WIFI dual-mode antenna is connected on WIFI transceiving chip, and WIFI transceiving chip is connected with built-in network chip.RF module comprises microcontroller, RF chip, TX low-pass matching circuit, RX high pass match circuit, RF transmitting antenna and RF reception antenna, referring to Fig. 2.RF transmitting antenna is connected on TX low-pass matching circuit, RF reception antenna is connected on RX high pass match circuit, the output of the input of TX low-pass matching circuit and RX high pass match circuit is connected with RF chip, and RF chip connects built-in network chip through microcontroller.Adopted the compound mode of WIFI module+RF module to realize data transmission and the conversion between network signal and RF signal.What the utility model adopted is that AX22001 network chip is control and the information exchange that built-in network chip carries out WIFI and RF signal as main control chip.WIFI signal has adopted AL2230S2.4GHz chip as WIFI transceiving chip.It is that RF module is processed that the processing of 433MHz RF signal has adopted own wireless remote transmission electronic module.
433MHz RF module adopts the mode layout of dual-in-line.Adopted STC89LE615AD single-chip microcomputer to realize the control to RF chip Si4432 as MCU, single-chip microcomputer adopts serial ports and host computer to communicate, for the data transmit-receive processing of the chip of Si4432, adopted double-antenna structure, realize respectively the transmitting-receiving processing of TX, RX end signal.
As shown in Figure 3, it mainly consists of 6 electric capacity and 4 inductance described TX low-pass matching circuit.Wherein one end of capacitor C 1 connects positive source, and the other end connects power cathode.One end of inductance L 1 connects positive source, and the other end is divided into 2 tunnels, and Ji Yi road is connected with the TX end of RF chip, and another road is connected RF transmitting antenna through capacitor C 3, inductance L 2, inductance L 3 successively after inductance L 4.One end of capacitor C 2 is connected between inductance L 2 and inductance L 3, and the other end connects power cathode.One end of capacitor C 4 and C5 is connected between inductance L 3 and inductance L 4, and the other end connects power cathode.One end of capacitor C 6 is connected between inductance L 4 and RF transmitting antenna, and the other end connects power cathode.TX transmitted signal, after the filtering shaping circuit of two LC compositions is processed, through double-T shaped match circuit (the low frequency signal filter circuit being comprised of LC) below, is delivered to RF transmitting antenna by signal.
As shown in Figure 4, it mainly consists of 5 electric capacity and 2 inductance described RX high pass match circuit.Inductance L 5, inductance L 6 and capacitor C 11 form series connection successively, and one end of inductance L 5 is connected with the RXn end of RF chip, and one end of capacitor C 11 connects RF reception antenna.Inductance L 5 and the RXp end that terminates to RF chip being connected of capacitor C 8.One end of capacitor C 8 is connected on the RXn end of RF chip, and the other end connects power cathode.One end of capacitor C 9 and capacitor C 10 is connected between inductance L 5 and inductance L 6, and the other end connects power cathode.One end of capacitor C 7 is connected between inductance L 5 and capacitor C 11, and the other end connects power cathode.Aerial signal, through a double-T shaped match circuit (the high-frequency signal filter circuit being comprised of LC), is delivered to high-frequency signal RXn, the RXp leads ends of RF chip Si4432, and by the further processing to signal of this chip.
Claims (6)
1. a network-type RF wireless intelligent gas meter management gateway, is characterized in that: mainly built-in network chip, WIFI module and RF module, consist of; Wherein
WIFI module comprises WIFI transceiving chip and WIFI dual-mode antenna; WIFI dual-mode antenna is connected on WIFI transceiving chip, and WIFI transceiving chip is connected with built-in network chip;
RF module comprises microcontroller, RF chip, TX low-pass matching circuit, RX high pass match circuit, RF transmitting antenna and RF reception antenna; RF transmitting antenna is connected on TX low-pass matching circuit, RF reception antenna is connected on RX high pass match circuit, the output of the input of TX low-pass matching circuit and RX high pass match circuit is connected with RF chip, and RF chip connects built-in network chip through microcontroller.
2. a kind of network-type RF wireless intelligent gas meter management gateway according to claim 1, is characterized in that: described TX low-pass matching circuit mainly consists of 6 electric capacity and 4 inductance; Wherein one end of capacitor C 1 connects positive source Vcc, and the other end connects power cathode; One end of inductance L 1 connects positive source Vcc, and the other end is divided into 2 tunnels, and Ji Yi road is connected with the TX end of RF chip, and another road is connected RF transmitting antenna through capacitor C 3, inductance L 2, inductance L 3 successively after inductance L 4; One end of capacitor C 2 is connected between inductance L 2 and inductance L 3, and the other end connects power cathode; One end of capacitor C 4 and capacitor C 5 is connected between inductance L 3 and inductance L 4, and the other end connects power cathode; One end of capacitor C 6 is connected between inductance L 4 and RF transmitting antenna, and the other end connects power cathode.
3. a kind of network-type RF wireless intelligent gas meter management gateway according to claim 1, is characterized in that: described RX high pass match circuit mainly consists of 5 electric capacity and 2 inductance; Inductance L 5, inductance L 6 and capacitor C 11 form series connection successively, and one end of inductance L 5 is connected with the RXn end of RF chip, and one end of capacitor C 11 connects RF reception antenna; Inductance L 5 and the RXp end that terminates to RF chip being connected of capacitor C 8; One end of capacitor C 8 is connected on the RXn end of RF chip, and the other end connects power cathode; One end of capacitor C 9 and capacitor C 10 is connected between inductance L 5 and inductance L 6, and the other end connects power cathode; One end of capacitor C 7 is connected between inductance L 5 and capacitor C 11, and the other end connects power cathode.
4. a kind of network-type RF wireless intelligent gas meter management gateway according to claim 1, is characterized in that: described RF module adopts the mode layout of dual-in-line.
5. a kind of network-type RF wireless intelligent gas meter management gateway according to claim 1, is characterized in that: described built-in network chip is AX22001 network chip.
6. a kind of network-type RF wireless intelligent gas meter management gateway according to claim 1, is characterized in that: described WIFI transceiving chip is AL2230S2.4GHz chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668744.1U CN203554495U (en) | 2013-10-28 | 2013-10-28 | Network-type RF wireless intelligent gas meter management gateway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320668744.1U CN203554495U (en) | 2013-10-28 | 2013-10-28 | Network-type RF wireless intelligent gas meter management gateway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554495U true CN203554495U (en) | 2014-04-16 |
Family
ID=50472555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320668744.1U Expired - Fee Related CN203554495U (en) | 2013-10-28 | 2013-10-28 | Network-type RF wireless intelligent gas meter management gateway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316147A (en) * | 2014-11-14 | 2015-01-28 | 桂林市利通电子科技有限责任公司 | Multifunctional production testing and inspecting device for gas meters |
| CN104363028A (en) * | 2014-11-14 | 2015-02-18 | 桂林市利通电子科技有限责任公司 | Bluetooth and RF integrated wireless intelligent receiving and transmitting device |
-
2013
- 2013-10-28 CN CN201320668744.1U patent/CN203554495U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104316147A (en) * | 2014-11-14 | 2015-01-28 | 桂林市利通电子科技有限责任公司 | Multifunctional production testing and inspecting device for gas meters |
| CN104363028A (en) * | 2014-11-14 | 2015-02-18 | 桂林市利通电子科技有限责任公司 | Bluetooth and RF integrated wireless intelligent receiving and transmitting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208766825U (en) | A kind of LoRa meeting southern network mark standard and carrier wave dual mode communication module | |
| CN205986891U (en) | Wireless check out test set | |
| CN202889340U (en) | Low-power short-distance wireless data transmission module | |
| CN204168495U (en) | A kind of plug type unified interface gateway based on radio sensing network | |
| CN203554495U (en) | Network-type RF wireless intelligent gas meter management gateway | |
| CN102957473A (en) | Circulation monitoring data management relay of urban network cable | |
| CN207603633U (en) | Electric safety system Internet of Things data wireless transport module | |
| CN203590215U (en) | Universal teletransmission wireless electronic module | |
| CN203554494U (en) | Network-type intelligent home comprehensive management gateway | |
| CN202939792U (en) | Single-phase dual-channel communication module | |
| CN203455388U (en) | Current and temperature monitoring system applied to industrial environment | |
| CN206312355U (en) | A kind of remote wireless transmission equipment | |
| CN107438206B (en) | Intelligence RF433 communication module | |
| CN206057883U (en) | A kind of digital-to-analog amount acquisition control system of ZigBee wireless network transmissions | |
| CN213239035U (en) | Be applicable to wireless temperature and humidity sensor closely | |
| CN204216893U (en) | A kind of integrated with Bluetooth and RF intelligent wireless R-T unit | |
| CN204576823U (en) | A kind of geomagnetic parking stall pick-up unit based on ZigBee wireless network | |
| CN202058294U (en) | Ultrasonic nondestructive detecting system utilizing wireless data transmission | |
| CN104363028A (en) | Bluetooth and RF integrated wireless intelligent receiving and transmitting device | |
| CN202206392U (en) | Short-distance wireless communication module development board | |
| CN205899795U (en) | Electronic communication ware | |
| CN203251288U (en) | Wireless sensor network communication module | |
| CN204596124U (en) | A kind of radio transmitting device of instrumentation devices | |
| CN205453723U (en) | Full duplex wireless communication device | |
| CN204906379U (en) | WiFi radio frequency application circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20181028 |